United States of Belgium

The United States of Belgium, also known simply as Belgium, was a short-lived republic that was established during the Napoleonic Wars in 1814. The Belgium state was established by Britain when the city of Antwerp was occupied, and the Belgians assisted Britain in the Battle of Waterloo on 18 June 1815. Belgium was reoccupied by the United Netherlands soon after, and the nation gained independence in 1830 as Belgium